I made another it's a pretty confusing one
for the solution press view rest
code:
BBBBBBBB__SSSSBB__d_____BB________BB_uP_____BBBBB________BBu_______BB_
Solution:
go up to the top and jump then right at the peak of your jump move over the down arrow. after that move to the rightmost up arrow and then move left. you now should be under the level and you can move left to finish the stage.